1. For each of the triangles below, find all the missing sides and angles for each problem. Here is a photo of the angles that need to be found.

http://i3.photobucket.com/albums/y76...assignment.jpg

2. Graph the following sine waves and list the amplitude, the period, and the phase shift.

A) Y = 4sin(2x)

B) Y = 2sin( ½ x + 90)

thanks a ton in advance guys! this stuff has really been bothering me and i've searched everywhere for solutions or help. i hope you guys can!